package dao;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import sun.misc.BASE64Encoder;

public class MD5 {
	 public static String encoderByMd5(String str){
         //加密后的字符串
         String newstr = null;
         try {
              // 确定计算方法
              MessageDigest md5 = MessageDigest.getInstance("MD5");
              BASE64Encoder base64en = new BASE64Encoder();
              newstr = base64en.encode(md5.digest(str.getBytes("utf-8")));
         } catch (NoSuchAlgorithmException e) {
              e.printStackTrace();
         } catch (UnsupportedEncodingException e) {
              e.printStackTrace();
         }
         return newstr;
    }
   
}
